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This literature is subject to all applicable copyright laws and is not for resale in any manner.FTL7522 Low I Reset Timer with Fixed Delay and Reset Pulse CCT July 2012 FTL7522 Low I Reset Timer with Fixed Delay and Reset Pulse CCT Description Features The FTL7522 is a timer for resetting a mobile device Fixed Reset Delay: 7.5 Seconds where long reset times are needed. The long delay Expanded V Input Range Allows Direct Interface helps avoid unintended resets caused by accidental key IH presses. It has a fixed delay of 7.5 20% seconds. The to Lower Voltage Chips, (No Translator Needed) DSR pin enables Test Mode operation by immediately Low I Feature Saves Power when Interfacing CCT forcing /RST1 LOW for factory testing. with Low-Voltage Chips The FTL7522 has one input for single-button resetting One Input Reset Pin capability. The device has a single open-drain output Open-Drain Output Pin with Fixed 400ms Pulse with 0.5mA pull-down drive. 1.8V to 5.0V Operation (T =-40C to +85C) A FTL7522 draws minimal I current when inactive and CC functions over a power supply range of 1.65V to 5.0V. 1.7V to 5.0V Operation (T =-25C to +85C) A The FTL7522 low-I feature enables direct interface CCT 1.65V to 5.0V Operation (T =0C to +85C) A with lower-voltage chipsets without needing external <1A I Consumption CCQ translation, while maintaining low power consumption. Zero-Second Test Mode Enable Applications Cell Phones Portable Media Players Tablets Mobile Devices Consumer Medical Figure 1. Block Diagram Ordering Information Operating Top Part Number Package Packing Method Temperature Range Mark 6-Lead, MicroPak 1.0 x 1.45mm, 5000 Units on FTL7522L6X PC -40C to +85C JEDEC MO-252 Tape and Reel 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FTL7522 Rev. 1.0.0